/*
 * Copyright 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.compose.testutils.benchmark

import android.graphics.Picture
import android.graphics.RenderNode
import android.os.Build
import androidx.annotation.RequiresApi
import androidx.compose.ui.graphics.Canvas

// We must separate the use of RenderNode so that it isn't referenced in any
// way on platforms that don't have it. This extracts RenderNode use to a
// potentially unloaded class, RenderNodeCapture.
interface DrawCapture {
    fun beginRecording(width: Int, height: Int): Canvas

    fun endRecording()
}

fun DrawCapture(): DrawCapture {
    return if (Build.VERSION.SDK_INT >= 29) {
        RenderNodeCapture()
    } else {
        PictureCapture()
    }
}

@RequiresApi(Build.VERSION_CODES.Q)
private class RenderNodeCapture : DrawCapture {
    private val renderNode = RenderNode("Test")

    override fun beginRecording(width: Int, height: Int): Canvas {
        renderNode.setPosition(0, 0, width, height)
        return Canvas(renderNode.beginRecording())
    }

    override fun endRecording() {
        renderNode.endRecording()
    }
}

private class PictureCapture : DrawCapture {
    private val picture = Picture()

    override fun beginRecording(width: Int, height: Int): Canvas {
        return Canvas(picture.beginRecording(width, height))
    }

    override fun endRecording() {
        picture.endRecording()
    }
}
